When clicking on timelapse button, you are presented by a rectangle (square). You can change the size of the area by resizing the browser window and by zooming in/out. That said, currently the area is always a square and the resulting image is always 512x512 in size.

you can generate animated GIF by using “Pin Story Builder” as well. In this case, the width/height of the image will be set by the width/height of your browser window.
See example here:

Medium – 3 Sep 20

EO Browser updates — Summer 2020

Stay tuned for: the pin story builder, the index feature, share pins functionality, a sneak peek about the data fusion and much more…

Reading time: 7 min read

Perfect thank you both !